You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
168 lines
4.0 KiB
168 lines
4.0 KiB
{
|
|
"jset: functional",
|
|
.insns = {
|
|
BPF_DIRECT_PKT_R2,
|
|
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
|
|
|
|
/* reg, bit 63 or bit 0 set, taken */
|
|
BPF_LD_IMM64(BPF_REG_8, 0x8000000000000001),
|
|
BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
|
|
BPF_EXIT_INSN(),
|
|
|
|
/* reg, bit 62, not taken */
|
|
BPF_LD_IMM64(BPF_REG_8, 0x4000000000000000),
|
|
BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1),
|
|
BPF_JMP_IMM(BPF_JA, 0, 0, 1),
|
|
BPF_EXIT_INSN(),
|
|
|
|
/* imm, any bit set, taken */
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_7, -1, 1),
|
|
BPF_EXIT_INSN(),
|
|
|
|
/* imm, bit 31 set, taken */
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
|
|
BPF_EXIT_INSN(),
|
|
|
|
/* all good - return r0 == 2 */
|
|
BPF_MOV64_IMM(BPF_REG_0, 2),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
|
|
.result = ACCEPT,
|
|
.runs = 7,
|
|
.retvals = {
|
|
{ .retval = 2,
|
|
.data64 = { (1ULL << 63) | (1U << 31) | (1U << 0), }
|
|
},
|
|
{ .retval = 2,
|
|
.data64 = { (1ULL << 63) | (1U << 31), }
|
|
},
|
|
{ .retval = 2,
|
|
.data64 = { (1ULL << 31) | (1U << 0), }
|
|
},
|
|
{ .retval = 2,
|
|
.data64 = { (__u32)-1, }
|
|
},
|
|
{ .retval = 2,
|
|
.data64 = { ~0x4000000000000000ULL, }
|
|
},
|
|
{ .retval = 0,
|
|
.data64 = { 0, }
|
|
},
|
|
{ .retval = 0,
|
|
.data64 = { ~0ULL, }
|
|
},
|
|
},
|
|
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
|
|
},
|
|
{
|
|
"jset: sign-extend",
|
|
.insns = {
|
|
BPF_DIRECT_PKT_R2,
|
|
BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_2, 0),
|
|
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_7, 0x80000000, 1),
|
|
BPF_EXIT_INSN(),
|
|
|
|
BPF_MOV64_IMM(BPF_REG_0, 2),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
|
|
.result = ACCEPT,
|
|
.retval = 2,
|
|
.data = { 1, 0, 0, 0, 0, 0, 0, 1, },
|
|
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
|
|
},
|
|
{
|
|
"jset: known const compare",
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
|
|
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
|
|
.retval_unpriv = 1,
|
|
.result_unpriv = ACCEPT,
|
|
.retval = 1,
|
|
.result = ACCEPT,
|
|
},
|
|
{
|
|
"jset: known const compare bad",
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
|
|
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
|
|
.errstr_unpriv = "!read_ok",
|
|
.result_unpriv = REJECT,
|
|
.errstr = "!read_ok",
|
|
.result = REJECT,
|
|
},
|
|
{
|
|
"jset: unknown const compare taken",
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
|
|
BPF_JMP_IMM(BPF_JA, 0, 0, 1),
|
|
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
|
|
.errstr_unpriv = "!read_ok",
|
|
.result_unpriv = REJECT,
|
|
.errstr = "!read_ok",
|
|
.result = REJECT,
|
|
},
|
|
{
|
|
"jset: unknown const compare not taken",
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
|
|
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
|
|
.errstr_unpriv = "!read_ok",
|
|
.result_unpriv = REJECT,
|
|
.errstr = "!read_ok",
|
|
.result = REJECT,
|
|
},
|
|
{
|
|
"jset: half-known const compare",
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
|
|
BPF_ALU64_IMM(BPF_OR, BPF_REG_0, 2),
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 3, 1),
|
|
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
|
|
.result_unpriv = ACCEPT,
|
|
.result = ACCEPT,
|
|
},
|
|
{
|
|
"jset: range",
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_ALU64_IMM(BPF_AND, BPF_REG_1, 0xff),
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0xf0, 3),
|
|
BPF_JMP_IMM(BPF_JLT, BPF_REG_1, 0x10, 1),
|
|
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
|
|
BPF_EXIT_INSN(),
|
|
BPF_JMP_IMM(BPF_JSET, BPF_REG_1, 0x10, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_1, 0x10, 1),
|
|
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
|
|
.result_unpriv = ACCEPT,
|
|
.result = ACCEPT,
|
|
},
|